ADUs & conversions · Olympia, WA
Basement ADU Conversion in Olympia, WA
Turn a basement into a separate-entry dwelling unit.
Basement ADU Conversion in Olympia, WA
Looking for basement ADU conversion in Olympia? Xion Build is a licensed, bonded, and insured adus & conversions contractor delivering standout results for Olympia homeowners — start to finish, under one roof. Turn a basement into a separate-entry dwelling unit.
Olympia's historic and waterfront-adjacent homes benefit from restoration-minded remodeling that preserves character while updating systems.
We write scope in plain terms: what we'll do, the materials, the sequence, and how any surprises are handled if something is uncovered.
What's included in your basement ADU conversion
A typical basement ADU conversion in Olympia can involve foundation, finishes, permits, the kitchen and bath — and we put the full scope in writing so you know exactly what's covered before work starts.
You get a single point of contact, licensed and insured trades, and clear communication from the first sketch to the final walkthrough.
How much does a basement ADU conversion cost in Olympia?
Most basement ADU conversion projects in Olympia fall between $87,000 – $196,000, depending on the size of the space, the finishes you choose, and the condition of what's already there.
Because every home is different, we don't quote final numbers sight unseen. After a free in-home consultation you get a detailed, itemized estimate tied to your actual adus & conversions project — so there are no surprises later.
Why Olympia homeowners choose Xion Build
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
Our Olympia adus & conversions process
It starts with a free, no-obligation consultation: what you want, the constraints, and a realistic budget range before you commit to anything.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
Frequently asked questions
What should we decide before starting a basement ADU conversion?
Your budget range, must-haves, timeline, and any finishes you already love. For adus & conversions work we also review access, existing conditions, and whether permits are required in Olympia.
Do you offer free estimates for basement ADU conversion near Olympia?
Absolutely. We provide free, no-obligation in-home estimates throughout Olympia and the greater Eastside, with transparent, itemized pricing.
How long does a basement ADU conversion take?
Timelines depend on scope and permitting. Once the plan is confirmed we give you a realistic schedule and keep you updated as the adus & conversions work progresses.
How much does a basement ADU conversion cost in Olympia?
Most basement ADU conversion projects in Olympia run $87,000 – $196,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Olympia price reflects the actual project — not a guess.
Are you a licensed adus & conversions contractor?
Yes — Xion Build is licensed, bonded, and insured in WA. Every project is built to meet or exceed code and is backed by a written warranty.
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